Spaghetti di Capri

Name: Spaghetti di Capri
Ingredients: 2 pounds cherry tomatoes, halved or quartered, depending on size; 1 1/2 cups finely diced celery; 1 1/2 cups pitted black olives, such as Nicoise or Kalamata, halved if large; 1 cup chopped fresh basil; 1 teaspoon lemon pepper, or to taste; Salt; 1 pound spaghetti; 1/3 to 1/2 cup extra-virgin olive oil